al175 - Man Page

Driver for Eltek UPS models with AL175 alarm module


This man page only documents the hardware-specific features of the al175 driver. For information about the core driver, see nutupsdrv(8).

Supported Hardware

The al175 driver is known to work with the following UPSes:

Eltek MPSU4000 with AL175 alarm module

It may also work with other UPSes equiped with AL175 alarm module, but they have not been tested.

AL175 have to be configured to operate in COMLI mode. See documentation supplied with your hardware on how to do it.

Extra Arguments

This driver does not support any extra settings in the ups.conf(5).

Instant Commands

This driver supports some extra commands (see upscmd(8)):


Start a battery test.


Stop a battery test.


Besides status, this driver reads UPS state into following variables:

Known Issues and Bugs


Kirill Smelkov <>

See Also

The core driver


Internet resources

The NUT (Network UPS Tools) home page:

Referenced By


12/29/2015 Network UPS Tools 2.7.3. NUT Manual